function [ AveragedMatrix, instanceOrder ] = GetAveragedMatrix( InputMatrix, ratingRow, instanceID )

%GetAveragedRows Converts matrix from raw format to averaged format

%   Takes an X or Y matrix and ratingRow(which describes how many rows per

%   nodule) and averages each set of rows into a single row. 

j = 1;

i = 1;

del = 3;

while i <= size(InputMatrix,1)

    instanceOrder(j,:) = zeros(1,4); %Make a new empty row

    if i == ratingRow(3)

        del = del-1;

    end

    if i == ratingRow(2)

        del = del-1;

    end

    if i == ratingRow(1)

        del = del-1;

    end

    instanceOrder(j,1:1+del) = instanceID(i:i+del)';

    AveragedMatrix(j,:) = mean(InputMatrix(i:i+del,:),1);

    i = i + del + 1;

    j = j+1;

end